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Don't crash if a .ll file contains a forward-reference that looks like a global

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value but later turns out to be a function.

Unfortunately, we can't fold tests into a single file because we only get one
error out of llvm-as.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165680 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2012-10-11 00:38:25 +00:00
parent a395f4df5b
commit 64ea275fe4
2 changed files with 7 additions and 0 deletions
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3
lib/AsmParser/LLParser.cpp
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@@ -2795,6 +2795,9 @@ bool LLParser::ParseFunctionHeader(Function *&Fn, bool isDefine) {
ForwardRefVals.find(FunctionName);
if (FRVI != ForwardRefVals.end()) {
Fn = M->getFunction(FunctionName);
if (!Fn)
return Error(FRVI->second.second, "invalid forward reference to "
"function as global value!");
if (Fn->getType() != PFT)
return Error(FRVI->second.second, "invalid forward reference to "
"function '" + FunctionName + "' with wrong type!");